Current-limit control method to prevent subsequent commutation failure of LCC-HVDC based on adaptive trigger voltage

Ouyang, Jinxin; Zhang, Zhen; Pang, Mingyu; Ye, Junjun; Xiong, Xiaofu

doi:10.1016/j.ijepes.2020.106190

Cited by 22 publications

(7 citation statements)

References 17 publications

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“…The performance of the SCFICS is compared with the current-limit control strategy in [17]. The case is set as: TPG fault ( f 0.5 H L  ) and SPG fault ( f 0.2 H L  , respectively, f t is 1.0 s, and dur t is 0.2 s. The simulation results are shown in Fig.…”

Section: B Comparison Of Simulation Results Between the Existing Meth...mentioning

confidence: 99%

“…From Fig. 15(a), it can be seen that the SCFICS with TPG fault has a better performance with a larger extinction angle and converter bus voltage ( Li U ) during fault recovery than that of the current-limit control strategy [17]. Fig.…”

Section: B Comparison Of Simulation Results Between the Existing Meth...mentioning

confidence: 99%

“…As can be seen in ( 16), when Lif,pu 1 p.u. U  , equation ( 16) is the same as (17). Then, for an AC/DC hybrid system with Ci 3000 MVA S  , CiN 540 Mvar Q  and In Fig.…”

Section: Subsequent Commutation Failure With Reactive Power and Ac Sy...mentioning

confidence: 99%

“…Hence, the influence factors of the two are also different, and the 1st CF suppression strategy cannot be directly applied to the SCF. A new CF recovery method and current limiter based on AC voltage are proposed in [16], [17]. However, the interactive coupling relationships among firing angle, DC current and AC voltage during the recovery process after the 1st CF are not considered.…”

Section: ⅰ Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A Novel Recovery Strategy to Suppress Subsequent Commutation Failure in an LCC-Based HVDC

Su,

Yin,

et al. 2024

Prot. Control Mod. Power Syst.

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A subsequent commutation failure (SCF) can easily occur during the recovery process after a first commutation failure (1st CF). This paper analyzes the interaction mechanism of extinction angle, AC voltage, DC current and firing angle, and reveals that the complex coupling relationship during the dynamic process after the 1st CF has a significant effect on the SCF. The mathematical equations when considering different fault durations, fault severities and AC system strengths are then established. An AC fault voltage detection method based on reactive power and fault duration is also proposed to measure the fault severity, and an SCF inhibition control strategy (SCFICS) based on AC fault detection and reactive power control is subsequently proposed. This can not only inhibit the SCF, but also enhance the DC recovery speed effectively. Finally, based on the SCFICS, a simulation model is built, and the simulation results with different cases indicate that the SCFICS can effectively inhibit the SCF with good recovery performance, for three-phase-to-ground (TPG) and single-phase-to-ground faults, and with a fault inductance range of 0.01 H to 1 H.

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Section: B Comparison Of Simulation Results Between the Existing Meth...mentioning

confidence: 99%

Section: B Comparison Of Simulation Results Between the Existing Meth...mentioning

confidence: 99%

“…As can be seen in ( 16), when Lif,pu 1 p.u. U  , equation ( 16) is the same as (17). Then, for an AC/DC hybrid system with Ci 3000 MVA S  , CiN 540 Mvar Q  and In Fig.…”

Section: Subsequent Commutation Failure With Reactive Power and Ac Sy...mentioning

confidence: 99%

Section: ⅰ Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Novel Recovery Strategy to Suppress Subsequent Commutation Failure in an LCC-Based HVDC

Su,

Yin,

et al. 2024

Prot. Control Mod. Power Syst.

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“…L INE commutated converter based high-voltage direct current (LCC-HVDC) transmission [1] has been applied for transferring electricity from bulk power generation to load center through long-distance overhead lines. When the AC system in the load center suffers from severe short-circuit faults, commutation failure [2], [3] of the LCC inverter may occur, resulting in active power impact during the fault and reactive power impact during the recovery process. If the LCC inverters are located very close to each other, simultaneous commutation failures of several LCC inverters may occur, which is a great threat to system stability.…”

Section: Introductionmentioning

confidence: 99%

Fault Diagnosis with Wavelet Packet Transform and Principal Component Analysis for Multi-terminal Hybrid HVDC Network

Chen

2021

Journal of Modern Power Systems and Clean Energy

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In view of the fact that the wavelet packet transform (WPT) can only weakly detect the occurrence of fault, this paper applies a fault diagnosis algorithm including wavelet packet transform and principal component analysis (PCA) to the inverter-side fault diagnosis of multi-terminal hybrid highvoltage direct current (HVDC) network, which can significantly improve the speed and accuracy of fault diagnosis. Firstly, current amplitude and current slope are used to sample the data, and the WPT is used to extract the energy spectrum of the signal. Secondly, an energy matrix is constructed, and the PCA method is used to calculate whether the squared prediction error (SPE) statistics of various signals that can reflect the degree of deviation of the measured value from the principal component model at a certain time exceed the limit to judge the occurrence of the fault. Further, its maximum value is compared to determine the fault types. Finally, based on a large number of MATLAB/Simulink simulation results, it is shown that the PCA method using the current slope as the sampled data can detect the occurrence of a ground fault with small transition resistance within 2 ms, and identify the fault types within 10 ms, without being affected by the sampling frequency. Index Terms--Fault diagnosis, hybrid high-voltage direct current (HVDC), wavelet packet transform (WPT), principal component analysis (PCA).

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Comprehensive review of commutation failure in HVDC transmission systems

Zhou

Yao

et al. 2022

Electric Power Systems Research

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Current-limit control method to prevent subsequent commutation failure of LCC-HVDC based on adaptive trigger voltage

Cited by 22 publications

References 17 publications

A Novel Recovery Strategy to Suppress Subsequent Commutation Failure in an LCC-Based HVDC

A Novel Recovery Strategy to Suppress Subsequent Commutation Failure in an LCC-Based HVDC

Fault Diagnosis with Wavelet Packet Transform and Principal Component Analysis for Multi-terminal Hybrid HVDC Network

Comprehensive review of commutation failure in HVDC transmission systems

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